Harrow disk and bearings therefor



June 5, 1934. H J. w. LEMON 1,961,561

HARROW DISK FOR BEARINGS THEREFOR Filed Dec. 16, 1933 2 Sheets-Sheet 1 Q Af/J &-I 4

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M ED ay" Inventor o afizzflawaan/ Attomey June 5, 1934. J. w. LEMON HARROW DISK FOR BEARINGS THEREFOR Filed Dec. 16. 1953 ,2 Sheets-Sheet 2 wizmw (/22 M BY Atto'rmy Patented June 5, 1934 1,961,561

UNITED STATES PATENT OFFIE HARROW DISK AND BEARINGS THEREFOR John W. Lemon, Roy, N. Mex.

Application December 16, 1933, Serial No. 702,807

1 Claim. (01. 97-217) This invention has reference to means for supwithin the bearing or housing section '7. Acporting and mounting a disk harrow on an agricordingly, and through the provision of the culture machine and the object of the invention lubricant fitting 8 the bearing will be at all times is to provide an improved device for mounting in a well lubricated condition.

the disk narrows in a manner to permit a wide The hanger bar of the agricultural machine is range of adjustment. designated generally by the reference numeral A still further object of the invention is to 13 and for suspendi the d an associated provide an improved bearing structure that will parts from the bar 14 there is provided a bracket at all times be maintained free from grit and pla e 5 that is pivotally mounted on the lower 10 foreign matter. end of the bar 14 by bolt and nut means 16, and

The invention together with its objects and has a bolt and slot connection at its upper end advantages will be best understood from a study with the hanger bar 14 as at 17. Obviously by of the following description taken in connection tight t t a ut means 17 e b t with the accompanying drawings wherein: 15 will be secured at the desired angular adjust- 15 Figure 1 is a top plan view of the invention. ment. In this manner the disk 5 may be canted Figure 2 is a vertical sectional View thereto the desired degree and will be secured at the through. desired angle to the perpendicular as indicated Figures 3 and 5 are detail sectional views taken by the broken lines in Figure 2. substantially on the lines 3-3 and 5-5 resp'ec- On its top the sectional part 7a of the bearing 9 tively of Figure 2. or axle is provided with a disk 18 that on its Figure 4 is a plan view of one of the bearing top face is provided with a circular series of members, and ratchet teeth as shown in Figure 4. Extending Figure 6 is a detail sectional view through a upwardly through the top of the bearing or nousportion of the bearing with the parts thereof ing section 7a, and the disk 18 is a pivot bolt 19. 25 shown separated. On its lower end the bracket plate 15 is pro- Referring to the drawings by reference nuvided with a ratchet tooth equipped plate 20 merals it will be seen that 5 indicates a convencomplemental to the disk 18, and the plate 20 tional harrow disk, and in accordance with the is apertured to accommodate the upper end of present invention the axle 6 has one end thereof the bolt 19 that is equipped with a suitable nut 30 fitted within a substantially tubular housing or 21. Obviously by loosening the nut 21 axle 6 bearing '7 that at its closed end is provided with and its associated parts may be swung on a a suitable lubricant fitting 8. Adjacent its ophorizontal plane either to the right or left as posite end the housing or bearing '7 is provided indicated by the dotted lines in Figure 1 for with an annular flange 9 to which is secured by placing the cultivator disk 5 diagonally to the 35 bolts or other suitable fastening elements 10 line of draft.

the disk 5 to rotate with the hearing or housing From the above it will be seen that the mount- 7 about the axle 6. ing for the disk 5 embodying the features of the The opposite end of the axle 6 is secured withpresent invention provides for a wide range of in a bearing or housing section 7a which as adjustment both laterally and vertically, and 40 shown in the drawings is slit longitudinally into that at the same time the parts may be maintwo complemental half sections which are setained in a well lubricated condition and subcured on the axle end 6 through the medium of stantially free at all times from grit and other bolt and nut means 11 as will be clear from a foreign matter.

study of Figures 2 and 6. Having thus described my invention, what I As is apparent the axle bearing section formed claim as new is: 100

of the parts 7a is fixed relative to the axle 6 and A cultivator disk mounting comprising an at one end thereof the sections of said bearing 7a axle, a housing for the axle including swivelly are provided with outstanding flanges provided connected sections one of which is fixedly sewith internal grooves 12 which accommodate an cured to the axle and the other of which is annular flange 13 provided on the axle housing revoluble about the axle, means for securing or bearing section 7 to provide a swivel joint the first named section to the axle, a flange on between the axle housing or bearing sections the other of the housing sections, a cultivator that will serve to efficiently close the inner end disk having a centrally located aperture accom- Of the bearing housing Section 7 pr cludin modating the second named housing section, 55 t e en ce of di it or other foreign matter means securing said disk to the flange of the last bracket plate cooperable with the first named ratchet disk for holding said axle and associated parts at the desired angular adjustment, and a bolt carried by the first named axle section and extending through said complemental ratchet disks, and nut means engaged with the bolt for securing the ratchet disks with their teeth in engaged position for holding the axle and associated parts in adjusted position.

JOHN W. LEMON. 

